---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-10129 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 14G 64G 18% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 647 8446 4 6895 14999 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e4:88:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.108/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82903sec preferred_lft 82903sec inet6 fe80::f816:3eff:fee4:88d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:d4:ef:9b:02:82 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-10129) 07/24/26 _x86_64_ (4 CPU) 09:26:06 LINUX RESTART (4 CPU) 09:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 1.64 0.04 1.59 0.01 1.15 20.69 224.74 09:50:01 1.75 0.19 1.54 0.02 1.56 18.30 393.37 10:00:02 1.65 0.16 1.50 0.00 5.12 17.31 0.00 10:10:01 21.22 2.50 17.83 0.89 142.38 3258.71 759.43 10:20:01 232.46 0.93 230.54 0.99 81.23 15629.42 9024.92 Average: 51.85 0.76 50.71 0.38 46.34 3796.39 2084.50 09:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 13730528 15489412 530880 3.24 53556 1933224 1158972 6.65 174736 2219760 12 09:50:01 13728540 15488604 531668 3.25 54668 1933232 1159152 6.65 175860 2222088 204 10:00:02 13719308 15482172 537488 3.28 55312 1934912 1162536 6.67 177824 2228472 200 10:10:01 11344968 14204424 1759660 10.75 139044 2876044 2225568 12.77 372936 4284756 268640 10:20:01 6163640 13075232 2850900 17.41 302260 6346300 2799640 16.07 1248884 8150332 7500 Average: 11737397 14747969 1242119 7.59 120968 3004742 1701174 9.76 430048 3821082 55311 09:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:40:01 ens3 2.77 0.90 0.86 1.40 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:01 ens3 1.12 0.82 0.32 2.40 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:00:02 ens3 2.21 1.09 0.98 1.00 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 10:10:01 ens3 111.96 92.26 817.14 22.94 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 10:20:01 ens3 84.70 68.42 357.16 17.50 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 40.60 32.74 235.53 9.06 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-10129) 07/24/26 _x86_64_ (4 CPU) 09:26:06 LINUX RESTART (4 CPU) 09:30:07 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 0.21 0.00 0.05 0.02 0.02 99.70 09:40:01 0 0.08 0.00 0.03 0.01 0.01 99.87 09:40:01 1 0.50 0.00 0.08 0.00 0.01 99.41 09:40:01 2 0.07 0.00 0.05 0.08 0.03 99.77 09:40:01 3 0.19 0.00 0.05 0.01 0.02 99.73 09:50:01 all 0.17 0.00 0.04 0.01 0.01 99.77 09:50:01 0 0.07 0.00 0.03 0.01 0.01 99.88 09:50:01 1 0.05 0.00 0.04 0.02 0.01 99.88 09:50:01 2 0.50 0.00 0.05 0.01 0.01 99.43 09:50:01 3 0.07 0.00 0.03 0.01 0.01 99.88 10:00:02 all 0.12 0.00 0.04 0.05 0.01 99.78 10:00:02 0 0.08 0.00 0.02 0.04 0.00 99.86 10:00:02 1 0.23 0.00 0.04 0.02 0.01 99.71 10:00:02 2 0.10 0.00 0.04 0.02 0.01 99.83 10:00:02 3 0.08 0.00 0.05 0.14 0.01 99.72 10:10:01 all 7.74 0.00 0.78 2.36 0.04 89.08 10:10:01 0 6.95 0.00 0.85 1.56 0.04 90.61 10:10:01 1 8.24 0.00 0.71 0.92 0.04 90.09 10:10:01 2 6.86 0.00 0.70 1.37 0.04 91.03 10:10:01 3 8.91 0.00 0.86 5.59 0.05 84.59 10:20:01 all 40.36 0.00 3.52 0.98 0.12 55.03 10:20:01 0 42.05 0.00 3.56 0.76 0.12 53.50 10:20:01 1 41.57 0.00 4.05 1.09 0.12 53.18 10:20:01 2 39.57 0.00 3.14 0.80 0.11 56.39 10:20:01 3 38.23 0.00 3.34 1.27 0.11 57.05 Average: all 9.70 0.00 0.88 0.69 0.04 88.69 Average: 0 9.84 0.00 0.90 0.48 0.04 88.75 Average: 1 10.10 0.00 0.98 0.41 0.04 88.47 Average: 2 9.40 0.00 0.79 0.45 0.04 89.31 Average: 3 9.48 0.00 0.86 1.40 0.04 88.21